| PartNumber | SN74BCT640DW | SN74BCT640DWR | SN74BCT640DWRE4 |
| Description | Bus Transceivers Octal Bus Transceiver | IC TRANSCVR INVERT 5.5V 20SOIC | IC TRANSCVR INVERT 5.5V 20SOIC |
| Manufacturer | Texas Instruments | - | - |
| Product Category | Bus Transceivers | - | - |
| RoHS | Y | - | - |
| Logic Family | BCT | - | - |
| Input Level | TTL | - | - |
| Output Level | TTL | - | - |
| Output Type | 3-State | - | - |
| High Level Output Current | - 15 mA | - | - |
| Low Level Output Current | 64 mA | - | - |
| Propagation Delay Time | 6.5 ns | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 4.5 V | - | - |
| Minimum Operating Temperature | 0 C | - | - |
| Maximum Operating Temperature | + 70 C | - | - |
| Package / Case | SOIC-20 | - | - |
| Packaging | Tube | - | - |
| Function | Bus Transceiver | - | - |
| Height | 2.35 mm | - | - |
| Length | 12.8 mm | - | - |
| Number of Circuits | 8 | - | - |
| Operating Temperature Range | 0 C to + 70 C | - | - |
| Product | Standard Transceiver | - | - |
| Series | SN74BCT640 | - | - |
| Technology | BiCMOS | - | - |
| Width | 7.52 mm | - | - |
| Brand | Texas Instruments | - | - |
| Mounting Style | SMD/SMT | - | - |
| Number of Channels | 8 | - | - |
| Operating Supply Voltage | 4.5 V to 5.5 V | - | - |
| Polarity | Inverting | - | - |
| Product Type | Bus Transceivers | - | - |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Logic ICs | - | - |
| Unit Weight | 0.017662 oz | - | - |